Table of Contents
Advertisement
Quick Links
Advertisement
Table of Contents
Subscribe to Our Youtube Channel
Related Manuals for ASSEMBLAD OPA-189
Summary of Contents for ASSEMBLAD OPA-189
- Page 1 ASSEMBLAD s.a.s. - Costruzioni Elettroniche 50013 - Campi Bisenzio - Firenze - Italy SAMPLING SMOKE METER Model OPA-189 USER MANUAL February 1997, Rev. V1.00 ASSEMBLAD - Engineering Department - Automotive Division File: c:\winword\189\M189gb10.doc...
-
Page 2: Table Of Contents
OPA 189 User Manual TABLE OF CONTENTS INTRODUCTION page Fittings supplied page Smoke Meter - Front page Smoke Meter - Back page TECHNICAL FEATURES page Photodetector - Technical Features page Measuring Chamber - Technical Features page Method for Taking Measurements page Standards page... - Page 3 OPA 189 User Manual PRESSURE/DEPRESSION MEASUREMENTS page POWER SUPPLY VOLTAGE page PRINTER page REPLACING FUSES page ERRORS page 15.1 Function Errors Reported to the Operator page 15.2 Function Errors That Cannot Be Immediately resolved page SMOKE-INTERCEPT SOLENOID VALVE MAINTENANCE page APPENDIX page WARRANTY...
-
Page 4: Introduction
OPA 189 User Manual INTRODUCTION 1.1 FITTINGS SUPPLIED N. 1 Rubber sampling hose N. 3 Exhaust pipe connectors N. 1 Ballast N. 1 220 VAC mains lead N. 1 Battey mains lead N. 1 Calibration filter N. 1 Infrared remote control device (without battery) N. - Page 5 OPA 189 User Manual...
-
Page 6: Smoke Meter - Back
OPA 189 User Manual 1.3 SMOKE METER - BACK Measuring Chamber Fitting for exhaust gas input Exhaust gas vent Fitting for releasing condensate formed in the measuring chamber Metal label-plate Switch filter complete with: prestart filter, fuses, mains outlet Connector for vehicle-battery power supply (13.8 VDC) Not used Not used Not used... -
Page 7: Technical Features
OPA 189 User Manual TECHNICAL FEATURES 2.1 Photodetector - Technical Features "Reflection" type transceiver: Transmitter - 6V 10W halogen lamp Color temperature - 3000°K Lamp filament voltage - Microprocessor controlled Average lamp life - 2000 hours Receiver - BPW21 photodiode Response corrector filter - L.I.S.S. -
Page 8: Electronic Structural Features
OPA 189 User Manual 2.5 Electronic Structural Features Setting - Automatic when switched on Microprocessors - 2 (Motorola MC68705R5 and MC68705U5) Measurement processing Microprocessor controlled (measure- ment card) Measurement display - Microprocessor controlled (display card) Printer - Impact, 24 columns Smoke display - 3, 7-segment high intensity LEDS 20 mm high, red Temp display... -
Page 9: Other Features
OPA 189 User Manual 2.9 Other Features Approximate dimensions - 480 x 300 x 630 mm Weight - 25 kg, approx. Exhaust pipe connectors - To be connected to the hose connected to the instrument; 3 different sizes, inside diameters of 10, 17 and 27 mm Ballast - 2 kg approx;... -
Page 10: Keypad
OPA 189 User Manual KEYPAD Figure 3 Description: ON/OFF This key switches the smoke meter on and off. It only functions if the ON led is lit. The key is timed at about 0.5 seconds to prevent inadvertent switching. Each time the instrument is turned on, the smoke meter automatically goes through a self-test and setting procedure (the messages concerning instrument status are either printed or shown on the... - Page 11 OPA 189 User Manual COUNT ADV Use this key to increment measurements in the ITALY or CEE modes. The measuring increment is timed for 3 seconds to prevent program skips if you do not press the key properly. If you are measuring in the ITALY mode, the increment will stop at the fifth test;...
- Page 12 OPA 189 User Manual The LEDS: When this LED is lit, it means that the smoke meter is already connected to the vehicle's battery or the 220VAC mains power supply. If the device is connected to the mains, the switch on the back has to be set to ON.
-
Page 13: Infrared Remote Control
OPA 189 User Manual INFRARED REMOTE CONTROL This device consists of 4 keys that you need to start the measuring functions, even while driving the vehicle. KEYS: MODE Use this key to select the measurement mode: CONTINUOUS (CONT) according to CUNA standards, as per Italian Law N.615 dated 13.07.66 (ITALY), and according to the directive 72/306 (CEE). -
Page 14: Starting The Smoke Meter
OPA 189 User Manual STARTING THE SMOKE METER 5.1 Power Supply Connections Select the power supply for the smoke meter. Usually 220VAC mains power is used. If it is not available, connect the smoke meter to the battery of the vehicle being tested, or to a fully-charged shop battery. -
Page 15: Preparation For Measurements
OPA 189 User Manual Select the unit of measure K (%/K key) if you want to see the smoke value display in terms of the K factor rather than a percentage (the % position is selected automatically when the machine is turned on). Select the measurement mode using the MODE key to select ITALY or CEE (CONT is selected automatically when the machine is turned on). -
Page 16: Messages At Start-Up
OPA 189 User Manual 5.4 Messages at Start-Up When you turn on the instrument the printer will issue a message like this: ASSEMBLAD COSTRUZIONI ELETTRONICHE FIRENZE - ITALY OPACIMETRO MOD. 189 OMOL. PROT. 601/4103/8-L AUTOTEST AUTOTARATURA IN PROGRESSIONE which means that self-testing and self-setting are in progress. -
Page 17: Smoke Measurements
OPA 189 User Manual SMOKE MEASUREMENTS 6.1 Keypad Settings CONTINUOUS MODE When the smoke meter is switched on it is automatically ready to work in this mode, and to give readings on the percentage scale. To be able to take measurements, the CONT LED must be on (otherwise, press the MODE key). -
Page 18: Smoke Measurement As Per Cuna Standards (Italy)
OPA 189 User Manual 6.3 Smoke Measurement as per CUNA Standards (Italy) This method makes it possible to work in accordance with the requirements of Italian Law n.615 dated 13 July 1966. To take measurements follow the procedure described below: Before starting the test disconnect any devices on the vehicle that can reduce the pollutants in the exhaust gases by mixing them with air. -
Page 19: Smoke Measurement According To Directive Ecc 72/306 Page
OPA 189 User Manual 6.4 Smoke Measurement according to directive ECC 72/306 This method makes it possible to work in accordance with the requirements of the directive 72/306 . To take measurements follow the procedure described below: Before starting the test disconnect any devices on the vehicle that can reduce the pollutants in the exhaust gases by mixing them with air. -
Page 20: Resetting With The Filter
OPA 189 User Manual RESETTING WITH THE FILTER A filter is supplied with the smoke meter. The filter's absorption factor is specified so you can use it to check the accuracy of the smoke meter's measurements and/or settings. To check or set the values shown on the instrument, proceed as follows: Switch on the smoke meter. - Page 21 OPA 189 User Manual Figure 4...
-
Page 22: Replacing The Halogen Lamp
OPA 189 User Manual REPLACING THE HALOGEN LAMP To replace the lamp on the photoelectric cell, proceed as follows: Switch off the smoke meter and disconnect it from all power supplies. Open the hinged door on top of the smoke meter. Use the 3 mm Allen key supplied with the device to loosen the two screws (7) that support the lampholder's fastening plate. -
Page 23: Cleaning The Measuring Chamber
OPA 189 User Manual CLEANING THE MEASURING CHAMBER To clean the measuring chamber, proceed as follows: Switch off the smoke meter and disconnect it from all power supplies. Open the hinged cover on top of the smoke meter. Remove the cover from the measuring chamber. Moisten a piece of cotton with denatured alcohol and clean the mirror (1) and the two glass plates (2) on the photoelectric cell. -
Page 24: Temperature Readings
OPA 189 User Manual TEMPERATURE READINGS The TEMP/RPM display show the exhaust gases temperature. The gas temperature sensor is an integrated circuit mounted on the inlet duct. You can inspect it by removing the two screws that hold the fastening plate in position. The temperature range is 2 - 150 °C. -
Page 25: Printer
OPA 189 User Manual PRINTER The printer provides the initial Autotest and Autosetting message, results of the tests and a series of error messages for the entire system. PRINT and printer TEST functions can be obtained via the keypad. To test the printer proceed as follows: with the smoke meter switched off, press the PAPER ADV key, while keeping it pressed, switch on the smoke meter using the ON/OFF key. -
Page 26: Replacing Fuses
OPA 189 User Manual REPLACING FUSES The smoke meter is equipped with two types of fuses: 0.5A/250 (5x20) for protections towards the 220VAC mains, and 2A/250 (5x20) to protect the halogen lamp circuit. The two fuses of 0.5A/250 are located in the filter/power switch unit. To replace it: - disconnect the smoke meter from the 220V AC power supply. -
Page 27: Errors
OPA 189 User Manual ERRORS 15.1 Function Errors Reported to the Operator During the Autosetting, Autotest and measuring phases the smoke meter can and does detect certain problems. The system software makes it possible to send the operator warning messages and in serious cases, to shut down the machine. In some cases, the system reports the error and even suggests possible remedies. -
Page 28: Function Errors That Cannot Be Immediately Resolved
OPA 189 User Manual 75 mm H2O ERRORE 04 Misura opacità dei fumi non conesntita per Legge Depressione nella camera superiore a 75 mm acqua which means ERROR 04 Smoke measurement not allowed by law. Depression in chamber exceeds 75 mm H2O. etc. -
Page 29: Smoke-Intercept Solenoid Valve Maintenance
OPA 189 User Manual SMOKE-INTERCEPT SOLENOID VALVE MAINTENANCE If the smoke meter is not used for long periods, and especially after heavy work cycles, the solenoid valve may not open. This is due to the fact that, after the deposited gases have dried, they hold back the seals restraining the core (7). -
Page 30: Appendix
OPA 189 User Manual APPENDIX CONVERSION TABLE: Smoke readings expressed in PERCENTAGES (%) and ABSORPTION FACTOR K(m-1) K(m-1) K(m-1) 05.0 = 0.13 54.0 = 1.94 10.0 = 0.26 55.0 = 2.00 15.0 = 0.41 56.0 = 2.05 20.0 = 0.55 57.0 = 2.11 25.0 = 0.71 58.0 = 2.17... -
Page 31: Warranty
If the device has such defects as to require technical serivce, you must return it to Assemblad or an authorized service center. Shipping charges shall be covered by the customer. The warranty shall immediately become invalid if the device shows any signs of tampering. - Page 32 OPA 189 User Manual COPYRIGHT ASSEMBLAD s.a.s. via Marzabotto, 4 50013 Campi Bisenzio (Florence) ITALY Tel. +39 / 55 / 890485 Fax +39 / 55 / 890496 Reproduction and/or disclosure prohibited Release: February 1997 EMC 89/336 EN 50081-1 / EN 50082-1...
- Page 33 OPA 189 User Manual...
Need help?
Do you have a question about the OPA-189 and is the answer not in the manual?
Questions and answers